

#app>.van-config-provider{
    height: 100%;
    display: flex;
    flex-direction: column;

    > .sdy-header {
        height: 45px;
        overflow: hidden;
    }
    > .sdy-center{
        flex: 1 1;
        overflow-y: auto;
    }
    > .sdy-footer{
        height: 50px;
    }
}